3d.humour dealing with death or disaster. ?L?C? C???D?
13a. possible to decipher. I?????I?I?L?
21a. public welfare employment. ????A? ??R?
24a. muffling(sound). D?A?E???G
23a central glass-roofed hall. ?T?I??
47a. occupied. P?P?????D
63a. practical, systematic. ?? N?N?E???
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